Go modules (#50)

Go modules

Bump .dockerignore.

Merge pull request #40 from msoedov/icon

Favicon and cleanup

Merge pull request #38 from msoedov/caching

Add caching

Merge pull request #35 from nmaas87/master

Added example into initial-slides.md and filtered images folder from …

Merge pull request #32 from servusoft/master

fix #31, update reveal to 3.6.0 and ace to 1.3.1

Merge pull request #29 from servusoft/master

add vertical separator '--'

Bump alpine:3.7

Merge pull request #25 from msoedov/restore_session

Restore previous session

Merge pull request #20 from msoedov/updatae_deps

Update deps